ADD: config for neovim

ADD: example git config with two useful aliases

gitconfig

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+[pager]
+  diff = delta
+  log = delta
+  reflog = delta
+  show = delta
+
+[filter "lfs"]
+	smudge = git-lfs smudge -- %f
+	process = git-lfs filter-process
+	required = true
+	clean = git-lfs clean -- %f
+[alias]
+	lg = log --color --graph --pretty=format:'%Cblue%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold cyan)<%an>%Creset' --abbrev-commit
+	change-commits = "!f() { VAR=$1; OLD=$2; NEW=$3; shift 3; git filter-branch --env-filter \"if [[ \\\"$`echo $VAR`\\\" = '$OLD' ]]; then export $VAR='$NEW'; fi\" $@; }; f"
+[mergetool.fugitive]
+	cmd = nvim -c \"Gvdiffsplit\" \"$LOCAL\" \"$MERGED\" \"$REMOTE\"
+[merge]
+	tool = fugitive
+[difftool "fugitive"]
+	cmd = nvim -c \"Gvdiffsplit\" \"$LOCAL\" \"$REMOTE\"
+[diff]
+	tool = fugitive
+
+[delta]
+  featurs = side-by-side line-numbers decorations
+
+[delta "decorations"]
+  commit-decoration-style = bold yellow box ul
+  file-style = bold yellow ul
+  file-decoration-style = none
+[init]
+	defaultBranch = main